If you want to resize an embedded chart you have to:
- Select the chart you want to resize.
- Move the mouse pointer to the handle. (Pointer becomes a double sided arrow)(To size object proportionally, press Shift and point to the corner handle.)
- Click the handle and drag it outwards to make chart bigger, or inwards to make it smaller.(To align edges of the chart to worksheet gridlines, press Alt key as you drag.)
- Release mouse button and the chart is resized.